"The Rumbling Edge Thunderbird 2 survey (version 1) ran for three weeks, from 29 October 2007 till 18 November 2007, and there were just under seven hundred complete responses, a thousand if partial ones are to be included. A similar number (1,022 to be exact) were abandoned. I made use of SurveyGizmo to gather the results from the questions which numbered ten in total though some were optional..."